:root {
  --color-primary: #2b6c51;
  --color-primary-dark: #1f4d3d;
  --color-primary-soft: #e8f3ee;
  --color-accent: #2f7fa5;
  --color-text: #17231f;
  --color-muted: #66756f;
  --color-border: #dfe8e3;
  --color-bg: #fbfdfc;
  --color-panel: #ffffff;
  --shadow-soft: 0 18px 45px rgba(31, 77, 61, 0.12);
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 32px), var(--container));
  min-height: 74px;
  margin: 0 auto;
  padding: 10px 0;
  background: rgba(251, 253, 252, 0.88);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  font-size: 22px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
  letter-spacing: 0;
}

.brand small {
  color: var(--color-muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #31443d;
  font-size: 15px;
  font-weight: 600;
}

.site-nav a {
  padding: 8px 0;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #ffffff;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-primary-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  gap: 42px;
  align-items: center;
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 38px 0 58px;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: clamp(36px, 4.2vw, 50px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.25;
}

.lead {
  max-width: 650px;
  margin-bottom: 26px;
  color: #40514a;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
}

.button-primary {
  color: #ffffff;
  background: var(--color-primary);
  box-shadow: 0 12px 26px rgba(43, 108, 81, 0.22);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--color-primary-dark);
}

.button-secondary {
  color: var(--color-primary-dark);
  background: #ffffff;
  border-color: var(--color-border);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--color-primary);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 650px;
  margin: 0;
}

.hero-facts div {
  padding: 15px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

.hero-facts dt {
  margin-bottom: 2px;
  color: var(--color-primary);
  font-size: 26px;
  font-weight: 850;
  line-height: 1;
}

.hero-facts dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  margin: 0;
}

.hero-visual::before {
  position: absolute;
  inset: 8% -5% -8% 12%;
  z-index: -1;
  border-radius: 8px;
  background: var(--color-primary-soft);
  content: "";
}

.hero-visual img {
  width: 100%;
  border: 1px solid rgba(43, 108, 81, 0.16);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.section {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 86px 0;
}

.section-muted {
  width: 100%;
  max-width: none;
  padding-right: max(16px, calc((100% - var(--container)) / 2));
  padding-left: max(16px, calc((100% - var(--container)) / 2));
  background: #f0f7f3;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading.align-left {
  margin: 0;
  text-align: left;
}

.section-heading p:not(.eyebrow) {
  color: var(--color-muted);
  font-size: 17px;
}

.problem-grid,
.feature-grid,
.timeline {
  display: grid;
  gap: 18px;
}

.problem-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.problem-grid article,
.feature-card,
.audience-list article,
.timeline article,
.contact-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-panel);
}

.problem-grid article {
  padding: 24px;
}

.problem-grid p,
.feature-card p,
.audience-list p,
.timeline p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  padding: 24px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(31, 77, 61, 0.08);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 32px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: var(--color-primary-dark);
  background: var(--color-primary-soft);
  font-size: 13px;
  font-weight: 850;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 44px;
  align-items: start;
}

.audience-list {
  display: grid;
  gap: 16px;
}

.audience-list article {
  padding: 22px;
  border-left: 5px solid var(--color-primary);
}

.timeline {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline article {
  position: relative;
  min-height: 230px;
  padding: 26px;
}

.timeline span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--color-primary);
  font-weight: 850;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 40px;
  align-items: center;
}

.contact-copy p:not(.eyebrow) {
  max-width: 650px;
  color: var(--color-muted);
  font-size: 17px;
}

.contact-card {
  display: grid;
  gap: 14px;
  padding: 26px;
  box-shadow: var(--shadow-soft);
}

.contact-card a {
  color: var(--color-primary-dark);
  font-size: 20px;
  font-weight: 850;
}

.contact-card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 28px 0 34px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--color-primary);
  font-weight: 800;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: fixed;
    inset: 74px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: var(--shadow-soft);
  }

  .site-nav a {
    padding: 14px 12px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero,
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .hero-visual {
    order: -1;
  }

  .problem-grid,
  .feature-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .brand small {
    display: none;
  }

  h1 {
    font-size: 40px;
  }

  .hero-facts,
  .problem-grid,
  .feature-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}